Rollably positioned, adjustably directed, clean air supply assembly unit



FIG. 1 is a perspective view of a rollably positioned adjustably directed, clean air supply assembly unit;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back side view thereof;

FIG. 5 is a top side view thereof; and,

FIG. 6 is a bottom side view thereof.

The cross-hatching in FIGS. 1 and 6 represents a mesh screen and is understood to extend uniformly throughout the area represented. 

The ornamental design for a rollably positioned, adjustably directed, clean air supply assembly unit, as shown and described. 